1. Q: Change over time

2. A: Evolution

3. Q: Characteristics that help an
organism survive

4. A: Adaptations

5. Q: Differences among members
of a species

6. A: Variations
Salmon varieties

7. Q: Wide range of traits within a
species; helps organisms adapt to
changes in the environment.

8. A: Diversity

9. Q: Natural process where
variations in offspring allow them to
adapt to a changing environment
making them more likely to survive
and reproduce.

10. A: Natural selection

11. Q: Who developed the
Theory of Evolution?

12. A: Charles Darwin

13. Q: Individual organisms and whole
species change over time.

14. A: The Theory of Evolution

15. Q: Evidence for evolution based on
imprints of ancient animals and
plants left in rock.

16. A: The fossil record

17. Q: Evidence for evolution based on
the fact that embryos of different
species are similar.

18. A: Embryology

19. Q: Evidence for evolution based
on similarities in genetic
background between species.

20. A: DNA

21. Q: Evidence for evolution based on
similarities in structures like arms,
wings, hands.

22. A: Homologous structures

23. Q: Evidence for evolution based
on structures that are
no longer used.

24. A: Vestigial structures

25. Q: Species in danger of
dying out

26. A: Endangered

27. Q: When there are no more
living organisms in a species.

28. A: Extinct

29. Q: Sudden, permanent change in
an organism’s
genetic material (DNA).
May be harmful or helpful.

30. A: Mutation

31. Q: Remains of organisms that
died long ago.

32. A: Fossils

33. Q: Type of rock that tells the history
of the earth with layers of fossils.

34. A: Sedimentary rock